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Finding the Fourth Proportional to 662,392.84, 993,448.32 and 188,951.08

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Solution

The fourth proportional to 662,392.84, 993,448.32 and 188,951.08 is: 283,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,392.84 : 993,448.32 = 188,951.08 : x
  2. Step 2: Convert to fraction form
    662,392.84/993,448.32 = 188,951.08/x
  3. Step 3: Cross multiply
    662,392.84x = 993,448.32 × 188,951.08
  4. Step 4: Simplify right side
    662,392.84x = 187,713,132,988.19
  5. Step 5: Solve for x
    x = 187,713,132,988.19/662,392.84
  6. Step 6: Final answer
    x = 283,386.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.